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IOCs

Vidar is a dangerous malware that steals information and cryptocurrency from infected users. It derives its name from the ancient Scandinavian god of Vengeance. This stealer has been terrorizing the internet since 2018.

Trojan
Type
ex-USSR
Origin
1 December, 2018
First seen
17 July, 2024
Last seen

How to analyze Vidar with ANY.RUN

Type
ex-USSR
Origin
1 December, 2018
First seen
17 July, 2024
Last seen

IOCs

IP addresses
95.216.180.153
92.255.85.78
45.84.1.88
Hashes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http://prepepe.ac.ug/freebl3.dll
http://prepepe.ac.ug/vcruntime140.dll
http://prepepe.ac.ug/msvcp140.dll
http://prepepe.ac.ug/softokn3.dll
http://prepepe.ac.ug/nss3.dll
http://prepepe.ac.ug/sqlite3.dll
http://prepepe.ac.ug/mozglue.dll
http://pretorian.ac.ug/index.php
http://anstransport.com/cgi-sys/suspendedpage.cgi
http://anstransport.com/7.jpg
http://anstransport.com/5.jpg
http://anstransport.com/4.jpg
http://anstransport.com/3.jpg
http://anstransport.com/2.jpg
http://anstransport.com/1.jpg
http://anstransport.com/6.jpg
https://t.me/r8z0l
https://steamcommunity.com/profiles/76561199698764354
https://t.me/snsb82
https://steamcommunity.com/profiles/76561199677575543
Last Seen at

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What is Vidar malware?

Vidar is an information stealer trojan that was first identified in December 2018. It is either a fork of Arkei or the result of its evolution. Named after the god of vengeance from Scandinavian mythology, Vidar is used to steal information from infected systems, take screenshots, steal cryptocurrency, and more.

General description of Vidar malware

Vidar is presumed to have originated in a Russian-speaking country since the malware is configured to stop execution if it detects that it is being run on a machine that is located in one of the ex-USSR nations or on one that has a Russian keyboard layout.

Being another cyber threat that is available for purchase based on the MaaS ( Malware-as-a-Service ) business model, Vidar can be purchased on its “official” website for a hefty price tag of $700, at least for the PRO version. Though, a stripped-down version of the malware can be obtained for just $250.

According to the Vidar trojan analysis, malware is written in the C++ programming language. Purchasing account grants the attacker access to a control panel where the cybercriminal can set up the infostealer malware to target particular information on the victims’ PC. Like Arkei, cybercriminals need to take precautions to secure the main payload themselves, using crypto or a packer. The control panel displays the current builder version, user settings, malware status, and logs. It should be noted that Vidar data stealer uses domain names to search for C&C servers, where stolen data is being dropped, changing every four days. Though they are steadily changing, a constant response is required.

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Vidar is capable of stealing text files in multiple formats, browser cookies and history, browser records, including data from TOR, as well as autofill value information, including banking and credit card details. Based on the Vidar analysis, the stealer malware can search for cryptocurrency wallet information, take screenshots and act as a message stealer, recording private messages from various software.

What’s more, Vidar is also known to be able to steal digital coins from offline wallets. In fact, holders of Litecoin, Bitcoin, Ethereum, Zcash, and DashCore are in potential danger, as these are the cryptocurrencies currently supported by this infostealer malware.

After collecting all targeted information, this stealer malware archives it and sends the stolen data to a control server, after which Vidar removes traces of its work and deletes itself from the system.

Vidar analysis

A video recorded in ANY.RUN malware hunting service allows us to take a closer look at the lifecycle of Vidar and perform Vidar analysis by themselves.

arkei execution process tree

Figure 1: A visual process graph generated by ANY.RUN

text report of the arkei malware analysis

Figure 2: The customizable text report provided by ANY.RUN is a perfect tool to share the results of an analysis

Vidar execution process

According to the Vidar analysis, after the user downloads and runs a malicious file, it spawns a child process and collects information from the infected system. Often, after the information was collected, the malware kills and deletes itself from the system through a command-line command.

How to avoid infection by Vidar malware?

When spread via spam email campaigns like NanoCore or Agent Tesla, the Vidar stealer requires the user to download and run a malicious file to enter an active state and begin execution. Therefore, following some basic cybersecurity rules can ensure that users will stay safe from Vidar malware and the incident response team will work effectively.

As such, users should be careful when downloading attachments in emails from unknown senders. The best practice is to avoid downloading such files altogether, therefore not putting oneself in danger at all.

In addition, downloading only licensed software from trustworthy sources and avoiding gaming hacking clients greatly reduced the risk of being infected with malware such as Vidar trojan, which uses these attack vectors to infect victims.

The distribution process of Vidar

According to the Vidar trojan analysis, Vidar is distributed through spam email campaigns as a malicious attachment, like other malware. In addition, cases of Vidar being distributed using shady software and gaming hack clients have also been recorded. Vidar infostealer targets users all over the world, except some ex-USSR countries, including Russia.

How to detect Vidar using ANY.RUN?

Some malware creates files in which it named itself. You can find such info about Vidar trojan using ANY.RUN's "Static Discovering" during your Vidar analysis. Open either the "Files" tab in the lower part of the task's window or click on the process and then on the "More Info" button in the appeared window. After that, all you need to do is click on the file.

arkei vidar log file Figure 3: Vidar's log file

Conclusion

Vidar is a hazardous information stealer trojan, distributed as malware as a service. Thanks to its extensive stealer feature set, Vidar trojan can be used to retrieve a wide variety of information, including stealing select cryptocurrency coins from the users. Additionally, Vidar is capable of stealing data from TOR.

Thankfully, malware hunting services like ANY.RUN allows researchers to conduct extensive studies of malware samples in a secure environment, allowing them to spread information about the danger and develop effective countermeasures and incident response.

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